DE68913275T2 - AM-Synchronempfänger mit Direktmischung. - Google Patents

AM-Synchronempfänger mit Direktmischung.

Info

Publication number
DE68913275T2
DE68913275T2 DE68913275T DE68913275T DE68913275T2 DE 68913275 T2 DE68913275 T2 DE 68913275T2 DE 68913275 T DE68913275 T DE 68913275T DE 68913275 T DE68913275 T DE 68913275T DE 68913275 T2 DE68913275 T2 DE 68913275T2
Authority
DE
Germany
Prior art keywords
mixer
phase
carrier
arrangement
auxiliary
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE68913275T
Other languages
German (de)
English (en)
Other versions
DE68913275D1 (de
Inventor
Wolfdietrich Geor Kasperkovitz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NXP BV
Original Assignee
Philips Gloeilampenfabrieken NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of DE68913275D1 publication Critical patent/DE68913275D1/de
Publication of DE68913275T2 publication Critical patent/DE68913275T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06Receivers
    • H04B1/16Circuits
    • H04B1/30Circuits for homodyne or synchrodyne receivers
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00Demodulation of amplitude-modulated oscillations
    • H03D1/22Homodyne or synchrodyne circuits
    • H03D1/2245Homodyne or synchrodyne circuits using two quadrature channels
    • H03D1/2254Homodyne or synchrodyne circuits using two quadrature channels and a phase locked loop
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0001Circuit elements of demodulators
    • H03D2200/0025Gain control circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Superheterodyne Receivers (AREA)
  • Circuits Of Receivers In General (AREA)
DE68913275T 1988-11-28 1989-11-22 AM-Synchronempfänger mit Direktmischung. Expired - Lifetime DE68913275T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8802917A NL8802917A (nl) 1988-11-28 1988-11-28 Direktmengende am-synchroonontvanger.

Publications (2)

Publication Number Publication Date
DE68913275D1 DE68913275D1 (de) 1994-03-31
DE68913275T2 true DE68913275T2 (de) 1994-09-01

Family

ID=19853293

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68913275T Expired - Lifetime DE68913275T2 (de) 1988-11-28 1989-11-22 AM-Synchronempfänger mit Direktmischung.

Country Status (7)

Country Link
US (1) US5093930A (ja)
EP (1) EP0371548B1 (ja)
JP (1) JP3020526B2 (ja)
KR (1) KR970007985B1 (ja)
DE (1) DE68913275T2 (ja)
HK (1) HK62096A (ja)
NL (1) NL8802917A (ja)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59009638D1 (de) * 1990-10-02 1995-10-12 Siemens Ag Einrichtung zur Synchrondemodulation amplitudenmodulierter Signale.
TW227638B (ja) * 1991-07-15 1994-08-01 Philips Nv
DE69214218T2 (de) * 1991-07-15 1997-04-03 Philips Electronics Nv Empfänger
GB9116433D0 (en) * 1991-07-30 1991-09-11 Active Noise & Vibration Tech Noise reduction system
JPH084235B2 (ja) * 1993-03-31 1996-01-17 日本電気株式会社 周波数制御装置
US5461340A (en) * 1993-09-11 1995-10-24 Robert Bosch Gmbh Amplitude demodulator for radio receivers to compensate for field strength influence
GB9617423D0 (en) * 1995-10-11 1996-10-02 Philips Electronics Nv Receiver circuit
US5786865A (en) * 1996-06-28 1998-07-28 Zilog, Inc. Apparatus and method for digital amplitude and phase detection
KR100643938B1 (ko) * 2000-11-23 2006-11-10 넥스원퓨처 주식회사 에이엠 변조신호의 캐리어 주파수 측정장치
DE20211365U1 (de) 2002-07-27 2003-10-09 AUTEFA Automation GmbH, 86316 Friedberg Vorrichtung zur Faserbehandlung
EP1913686B1 (en) * 2005-07-29 2008-12-10 Nxp B.V. Receiver for amplitude-modulated signals

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3209271A (en) * 1961-08-17 1965-09-28 Radiation Inc Phase-locked loops
US4355417A (en) * 1977-09-22 1982-10-19 Kozak Jr Joseph H Squelch control circuit for amplitude modulated RF receivers
US4473801A (en) * 1979-12-17 1984-09-25 Robert Maurer Demodulator circuit with phase control loop
NL8403648A (nl) * 1984-11-30 1986-06-16 Philips Nv Fasegesleutelde lus in het bijzonder voor toepassing in een direktmengende am-synchroonontvanger.
ES293060Y (es) * 1986-03-19 1987-03-16 Industrias Petrus, S.A. Cabezal remachador acoplable a maquinas grapadoras
NL8601316A (nl) * 1986-05-23 1987-12-16 Philips Nv Versterkingsinrichting met zelfinstellende dode zone in het bijzonder voor toepassing in een direktmengende am-synchroonontvanger.
DE3764361D1 (de) * 1987-03-14 1990-09-20 Itt Ind Gmbh Deutsche Fernsehsignal-frequenzumsetzungsschaltung.
EP0305603B1 (en) * 1987-09-03 1993-03-10 Koninklijke Philips Electronics N.V. Gain and phase correction in a dual branch receiver
NL8802868A (nl) * 1988-11-21 1990-06-18 Stichting Tech Wetenschapp Fasevergrendelde lus met lusversterking - en nulpuntscompensatie.

Also Published As

Publication number Publication date
KR970007985B1 (ko) 1997-05-19
JP3020526B2 (ja) 2000-03-15
EP0371548A1 (en) 1990-06-06
DE68913275D1 (de) 1994-03-31
EP0371548B1 (en) 1994-02-23
NL8802917A (nl) 1990-06-18
HK62096A (en) 1996-04-19
JPH02188007A (ja) 1990-07-24
KR900008789A (ko) 1990-06-04
US5093930A (en) 1992-03-03

Similar Documents

Publication Publication Date Title
DE3784717T2 (de) Phasen- und verstaerkungsregelung fuer einen empfaenger mit zwei zweigen.
DE69325052T2 (de) FM-Empfänger
DE3784930T2 (de) Empfaenger mit zwei zweigen.
DE69313520T2 (de) FM-Quadratur-Demodulator
DE68913275T2 (de) AM-Synchronempfänger mit Direktmischung.
DE69421490T2 (de) Demodulation eines frequenzmodulierten Tonträgers
DE69317938T2 (de) Fernsehempfänger für terrestrische Fernsehsignale
DE2943375A1 (de) Nahstationsstoerungs-detektorvorrichtung
DE69530435T2 (de) Demodulationsanordnung für einen hochauflösenden Fernsehempfänger
DE69216928T2 (de) Empfänger mit Direktumsetzung
DE69421661T2 (de) Demodulation eines frequenzmodulierten Tonträgers
DE69214218T2 (de) Empfänger
DE3644392C2 (ja)
DE2912756C2 (ja)
DE3913025C2 (ja)
DE3855754T2 (de) Vorrichtung zur automatischen Verstärkungsregelung für einen Videosignalprozessor
DE60217519T2 (de) Empfänger
DE69518134T2 (de) Signaldetektorvorrichtung
EP0356555B1 (de) Verfahren und Schaltungsanordnung zur Feststellung des Vorhandenseins oder Nichtvorhandenseins mindestens einer Frequenz bekannten Wertes in einem aus mehreren Frequenzen zusammengesetzten Eingangssignal
DE3938671A1 (de) Verfahren zum korrigieren von amplituden- und phasenfehlern in einem direct-conversion-empfaenger und empfaenger zum durchfuehren des verfahrens
DE69021074T2 (de) Phasenregelschleife zur herstellung eines referenzträgers für einen kohärenten detektor.
EP0515357B1 (de) Verfahren zur demodulation von secam-codierten farbfernsehsignalen mit zeilenverkoppeltem takt und schaltungsanordnung zur durchführung des verfahrens
DE3505118C2 (ja)
DE3225831C2 (de) Videosignal-verarbeitungsschaltung
EP1093219B1 (de) Schaltungsanordnung zur Demodulation eines Zwischenfrequenz-Videosignals

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL

8327 Change in the person/name/address of the patent owner

Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N

8320 Willingness to grant licences declared (paragraph 23)
8328 Change in the person/name/address of the agent

Representative=s name: EISENFUEHR, SPEISER & PARTNER, 10178 BERLIN

8327 Change in the person/name/address of the patent owner

Owner name: NXP B.V., EINDHOVEN, NL